Home / 8,550.70-12,818.31-3,355.18

Finding the Fourth Proportional to 8,550.70, 12,818.31 and 3,355.18

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Solution

The fourth proportional to 8,550.70, 12,818.31 and 3,355.18 is: 5,029.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,550.70 : 12,818.31 = 3,355.18 : x
  2. Step 2: Convert to fraction form
    8,550.70/12,818.31 = 3,355.18/x
  3. Step 3: Cross multiply
    8,550.70x = 12,818.31 × 3,355.18
  4. Step 4: Simplify right side
    8,550.70x = 43,007,737.35
  5. Step 5: Solve for x
    x = 43,007,737.35/8,550.70
  6. Step 6: Final answer
    x = 5,029.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.